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Title of Journal: Korean J Chem Eng

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Abbravation: Korean Journal of Chemical Engineering

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Springer US

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DOI

10.1007/bfb0021144

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1975-7220

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A porescale model for the cathode electrode of a

Authors: Gholam Reza Molaeimanesh Mohammad Hadi Akbari
Publish Date: 2014/12/03
Volume: 32, Issue: 3, Pages: 397-405
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Abstract

A porescale model based on the lattice Boltzmann method LBM is proposed for the cathode electrode of a PEM fuel cell with heterogeneous and anisotropic porous gas diffusion layer GDL and interdigitated flow field An active approach is implemented to model multicomponent transport in GDL which leads to enhanced accuracy especially at higher activation overpotentials The core of the paper is the implementation of an electrochemical reaction with an active approach in a multicomponent lattice Boltzmann model for the first time After model validation the capability of the presented model is demonstrated through a parametric study Effects of activation overpotential pressure differential between inlet and outlet gas channels land width to channel width ratio and channel width are investigated The results show the significant influence of GDL microstructure on the oxygen distribution and current density profile

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